Effects of different experimental conditions on progesterone metabolism in the sea star Asterias rubens L.

1. Progesterone metabolism in ovary and pyloric caeca of Asterias rubens was studied in incubations of homogenates and pieces of tissue at different times of the year and under different experimental conditions.2. The major metabolites were 5α-pregnane-3,20-dione and 3β-hydroxy-5α-pregnan-20-one.... Ausführliche Beschreibung

1. Person: Voogt, P.A.
Weitere Personen: van Rheenen, J.W.A.; Lambert, J.G.D.; de Groot, B.F.; Mollema, C.
Quelle: in Comparative Biochemistry and Physiology -- Part B: Biochemistry and Vol. 84, No. 3 (1986), p. 397-402
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Format: Online-Artikel
Sprache: English
Veröffentlicht: 1986
Beschreibung: Online-Ressource
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Anmerkung: Copyright: Copyright (c) 2002 Elsevier Science Inc.
Zusammenfassung: 1. Progesterone metabolism in ovary and pyloric caeca of Asterias rubens was studied in incubations of homogenates and pieces of tissue at different times of the year and under different experimental conditions.2. The major metabolites were 5α-pregnane-3,20-dione and 3β-hydroxy-5α-pregnan-20-one.3. The results of progesterone incubations with homogenates were strongly dependent on the experimental conditions used.4. Evidence was obtained that progesterone metabolism varies during the year and may be in relation to the reproductive cycle.5. The consequences of these findings with respect to the design of experiments to obtain insight into the steroid metabolic processes going on under natural conditions, are discussed.
ISSN: 0305-0491

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